DOG BREATH FRESHENER, NO BRUSHING REQUIRED - Using no-brush water additive is the easiest way to maintain fresh breath for dogs, simply add to their daily drinking water. BAKING SODA ENHANCED FORMULA - This water additive for dogs is made with signature Arm & Hammer baking soda to clean teeth and deodorize bad dog breath. NEW AND IMPROVED FORMULA WITH ADDED CALCIUM – The same great dental formulas you love, but with added calcium - an essential building block for strong tooth enamel. HELPS WITH TARTAR CONTROL FOR DOGS - Not only does this adult dog dental water additive freshen breath, but it also helps to maintain everyday dog dental care when used regularly. ODORLESS AND FLAVORLESS PET WATER ADDITIVE - Add one capful per 8 oz of your dog's drinking water and be sure to clean bowls and refresh water regularly.